Home / 30,719,602.38-42,392,088.09-16,780,733.58

Finding the Fourth Proportional to 30,719,602.38, 42,392,088.09 and 16,780,733.58

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Solution

The fourth proportional to 30,719,602.38, 42,392,088.09 and 16,780,733.58 is: 23,156,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,719,602.38 : 42,392,088.09 = 16,780,733.58 : x
  2. Step 2: Convert to fraction form
    30,719,602.38/42,392,088.09 = 16,780,733.58/x
  3. Step 3: Cross multiply
    30,719,602.38x = 42,392,088.09 × 16,780,733.58
  4. Step 4: Simplify right side
    30,719,602.38x = 711,370,336,138,181
  5. Step 5: Solve for x
    x = 711,370,336,138,181/30,719,602.38
  6. Step 6: Final answer
    x = 23,156,886.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.